Brain Teasers
Multiply 12345678987654321
What number can be multiplied against itself to give 12345678987654321?
Answer
111111111Hide Answer Show Answer
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Comments
easy
A simple punch of some keys on a calculator and I had the answer. Too easy. What's 32432 times 99533? Don't know? Grab a calculator.
its very easy every one can tried who s having calc
As of this comment, I'm surprised the fun rating of this teaser is over 2. In fact, make that 1.
Using a calculator to solve this instead of your brain is the slow way to get the answer. However, I'll have to agree with the dismay over the ratings.
What calculators do you have that will process 17 digits?
Excel - Doh!
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